Fail.hx:8: characters 3-7 : Constraint check failure for test.T Fail.hx:8: characters 3-7 : FakeVoid should be haxe.NotVoid Fail.hx:7: characters 3-7 : Constraint check failure for test.T Fail.hx:7: characters 3-7 : Void should be haxe.NotVoid